Product Description

Product Name NR-550 true wireless blue tooth headset LCD screen
Function Wireless bluetooth headset (V5.0 bluetooth chip) Jerry D4 chip Product features: Bluetooth version: version 5.0 Transmission

distance: outdoor linear distance is 10-20m Battery capacity: 30mAh! Battery capacity of charging box: 300mah Time to listen to

music: 3 hours Talk time: 4 hours Standby time: 120 hours Charging time: 50 minutes Working current: 8-10MA Standby current: 4uA

Packing box size: 10*10*3.5cm Unit weight: 119g Packing size: 51*36*22cm Gross weight: 12kg -bluetooth class-bluetooth class:

class2 and class3 -frequency band-frequency band/frequency band: 2.4—2.485GHz -modulation process-modulation process: GFSK -max.

transmitter power-maximum transmission power: +2DBm Touch function: press and hold for five seconds to turn on, press and hold for

five seconds to turn off, double-click music pause/play/call answer/hang up, and press and hold for three seconds to wake up Siri/

left ear triple-click next song/right ear triple-click next song